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🔍 gerhard kramer 📂 Computer Science
Showing 2484 results for "gerhard kramer" in Computer Science
Computer Science Preprint PDF DOI

D-Rex : Diffusion Rendering for Relightable Expressive Avatars

Timo Teufel, Xilong Zhou, Umar Iqbal, Jan Kautz, Marc Habermann, Vladislav Golyanik, Christian Theobalt · 2026

We present D-Rex, a person-specific framework for photorealistic, relightable, expressive, and animatable full-body human avatars with free-viewpoint rendering. Existing methods for relightable full-b…

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Computer Science Preprint PDF DOI

LZn : Robust LoRa Frame Synchronization Under Frame Collisions and Ultra-Low SNR Conditions

Jose Alamos, Thomas C. Schmidt, Matthias Wahlisch · 2026

LoRa has become a widely adopted wireless modulation scheme in LPWANs due to its low cost, long range, and minimal transmission power. However, collisions between frames of the same spreading factor -…

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Computer Science Preprint PDF DOI

ReVo: A Cross-Layer Reliable Volumetric Videoconferencing System

Ankur Aditya, Diptyaroop Maji, Lingdong Wang, Bhavya Ramakrishna, Ramesh Sitaraman, Prashant Shenoy · 2026

Volumetric videoconferencing enables immersive six Degrees of Freedom interactions by jointly transmitting visual appearance and 3D geometry. However, delivering volumetric video over today's networks…

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Computer Science Preprint PDF DOI

Multi-element Persuasion in Social Media Health Communication: Synergistic and Trade-off Effects

Weifeng Zhang, Jipeng Tan, Mengye Yang, Yong Min · 2026

Health messages on social media are typically constructed through combinations of source cues, appeals, frames, and evidence, which jointly shape communication and persuasive effects. However, prior r…

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Computer Science Preprint PDF DOI

Threat-Oriented Digital Twinning for Security Evaluation of Autonomous Platforms

Thomas J. Neubert, Laxima Niure Kandel, Berker Pekoz · 2026

Open, unclassified research on secure autonomy is constrained by limited access to operational platforms, contested communications infrastructure, and representative adversarial test conditions. This …

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Computer Science Preprint PDF DOI

Bug-Report-Driven Fault Localization: Industrial Benchmarking and Lesson Learned at ABB Robotics

Pernilla Hall, Anton Ununger, Riccardo Rubei, Alessio Bucaioni · 2026

Software quality assurance remains a major challenge in industrial environments, where large-scale and long-lived systems inevitably accumulate defects. Identifying the location of a fault is often ti…

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Computer Science Preprint PDF DOI

Value-Sensitive AI for Prayer: Balancing the Agencies Between Human and AI Agents in Spiritual Context

Soonho Kwon, Dong Whi Yoo, Shaowen Bardzell, Younah Kang · 2026

We present four conceptual value-sensitive AI systems to examine how the presence of AI could influence praying experiences. Drawing on key values and practices associated with praying identified thro…

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Computer Science Preprint PDF DOI

Opto-Atomic Spatio-Temporal Holographic Correlators for High-Speed 3D CNNs

Xi Shen, Bowen Qi, Tabassom Hamidfar, Selim M. Shahriar · 2026

Three-dimensional convolutional neural networks (3D CNNs) have demonstrated remarkable performance in video recognition tasks by processing both spatial and temporal features. However, the cubic scali…

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Computer Science Preprint PDF DOI

Talking Slide Avatars: Open-Source Multimodal Communication Approach for Teaching

Xinxing Wu · 2026

Slide-based teaching is widely used in higher education, yet in online, hybrid, and asynchronous contexts, slides often lose the instructor presence, narrative continuity, and expressive framing that …

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Computer Science Preprint PDF DOI

Sensing-Assisted Secure Communication in MA-Aided ISAC: CRB Analysis and Robust Design

Yaxuan Chen, Guangchi Zhang, Miao Cui, Hao Fu, Qingqing Wu, Rui Zhang · 2026

A core challenge in physical-layer security is the difficulty of obtaining the channel state information (CSI) of potential eavesdroppers. The inherent sensing functionality of integrated sensing and …

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Computer Science Preprint PDF DOI

Gamma-Distributed Geometric Constellation for ISAC: Design and Analysis

Amirhossein Keshavarzchafjiri, Janith K. Dassanayake, Gayan A. Aruma Baduge, Mojtaba Vaezi · 2026

A novel Gamma-distributed geometric constellation design framework for integrated sensing and communication (ISAC) is proposed in this paper. In this framework, constellation points are modeled as sam…

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Computer Science Preprint PDF DOI

Catheter Monitoring in Intelligent Endovascular Navigation Systems: Interactive Simulations and Mixed Reality for Enhanced Navigational Awareness

Veronica Ruozzi, Giovanni Battista Regazzo, Maria Chiara Palumbo, Wim-Alexander Beckers, Mouloud Ourak, Xiu Zhang, Francesca Perico, Alessandro Caimi, Emmanuel Vander Poorten, Emiliano Votta · 2026

Purpose: Developing and testing a framework that integrates real-time catheter shape reconstruction, interactive simulations, and mixed reality visualization to enable accurate monitoring of catheter-…

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Computer Science Preprint PDF DOI

Reasoning About Probabilities, Actions, and Knowledge in Fuzzy Modal Logic

Daniil Kozhemiachenko, Igor Sedlar · 2026

We explore a fuzzy modal logic that can formalise probabilistic reasoning about actions and knowledge. In particular, we deal with contexts involving statements about events expressed via modal formul…

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Computer Science Preprint PDF DOI

Trust as a Situated User State in Social LLM-Based Chatbots: A Longitudinal Study of Snapchat's My AI

Annie Landerberg, Kari Flatmo, Alan Said · 2026

Social chatbots based on large language models are increasingly embedded in everyday platforms, yet how users develop trust in these systems over time remains unclear. We present a four-week longitudi…

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Computer Science Preprint PDF DOI

Multi-User ISAC with Heterogeneous Unknown Parameters: Optimal Beamforming based on Distribution Information

Chan Xu, Shuowen Zhang · 2026

This paper studies an integrated sensing and communication (ISAC) system where a multi-antenna base station (BS) communicates with multiple single-antenna users in the downlink and senses the unknown …

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Computer Science Preprint PDF DOI

A Co-Evolutionary Theory of Human-AI Coexistence: Mutualism, Governance, and Dynamics in Complex Societies

Somyajit Chakraborty · 2026

Classical robot ethics is often framed around obedience, including Asimov's laws. This framing is insufficient for contemporary AI systems, which are increasingly adaptive, generative, embodied, and e…

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Computer Science Preprint PDF DOI

CrossCommitVuln-Bench: A Dataset of Multi-Commit Python Vulnerabilities Invisible to Per-Commit Static Analysis

Arunabh Majumdar · 2026

We present CrossCommitVuln-Bench, a curated benchmark of 15 real-world Python vulnerabilities (CVEs) in which the exploitable condition was introduced across multiple commits - each individually benig…

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Computer Science Preprint PDF DOI

A Stackelberg Model for Hybridization in Cryptography

Willie Kouam, Stefan Rass, Zahra Seyedi, Shahzad Ahmad, Eckhard Pfluegel · 2026

Similar to a strategic interaction between rational and intelligent agents, cryptography problems can be examined through the prism of game theory. In this setting, the agent aiming to protect a messa…

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Computer Science Preprint PDF DOI

When Constraints Limit and Inspire: Characterizing Presentation Authoring Practices for Evolving Narratives

Linxiu Zeng, Emily Kuang, Jian Zhao · 2026

Authoring presentation slides involves navigating contextual constraints that shape how content is structured, adapted, and reused. While prior work frames constraints as limitations, little is known …

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Computer Science Preprint PDF DOI

MediaGraph: A Network Theoretic Framework to Analyze Reporting Preferences in Indian News Media

Aditya Bali, Rupsha, Vidur Kaushik, Anirban Sen · 2026

We present MediaGraph, a network-theoretic framework for analyzing reporting preferences in news media through entity co-occurrence networks. Using articles from four Indian news-sources, two mainstre…

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